<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio" @click="ChangeAllGoodsState">
      <radio color="#C00000" :checked="isFullCheck"/><text>全选</text>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      <view class="amount">
        合计：<text>{{checkedGoodsAmount}}</text>
      </view>
    </view>
    <!-- 结算-->
    <view class="settle" @click="settlement">
      结算({{checkedCount}})
    </view>
  </view>
</template>

<script>
  import { mapGetters, mapMutations, mapState} from 'vuex'
  export default {
    name:"my-settle",
    data() {  
      return {
        seconds: 3,
        // 定时器的ID
        timer: null
      };
    },
    computed: {
      ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
      ...mapGetters('m_user', ['addstr']),
      ...mapState('m_user', ['token']),
      isFullCheck() {
        return this.checkedCount === this.total
      }
    },
    methods: {
      ...mapMutations('m_cart', ['updateAllGoodsState']),
      ...mapMutations('m_user', ['updataRedirectInfo']),
      ChangeAllGoodsState() {
        this.updateAllGoodsState(!this.isFullCheck)
      },
    settlement() {
      if(!this.checkedCount) return uni.$showMsg('请选择要支付的商品')
      if(!this.addstr) return uni.$showMsg('请选择收货地址')
      // if(!this.token) return uni.$showMsg('请先登录')
      if(!this.token) return this.delayNavigate()
      this.payOrder()
    },
   async payOrder() {
      // 1.创建订单
        // 1.1创建订单的信息对象
        const orderInfo= {
          order_price: 0.01,
          consignee_addr: this.addstr,
          goods: this.cart.filter(x => x.goods_state).map(x => ({
            goods_id: x.goods_id,
            goods_number: x.goods_count,
            goods_price: x.goods_price
          }))
        }
        // 1.2 发起请求创建订单
       const {data: res} = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        // 1.3 得到服务器响应的订单编号
        if(res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
        const orderNumber = res.message.order_number
        
        // 2. 订单预支付
        // 2.1 发起请求获取订单的支付信息
        const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
        // 2.2 预付订单生成失败
        if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
        // 2.3 得到订单支付相关的必要参数
        const payInfo = res2.message.pay
      
      // 3. 发起微信支付
         // 3.1 调用 uni.requestPayment() 发起微信支付
         const [err, succ] = await uni.requestPayment(payInfo)
         // 3.2 未完成支付
         if (err) return uni.$showMsg('订单未支付！')
         // 3.3 完成了支付，进一步查询支付的结果
         const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
         // 3.4 检测到订单未支付
         if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
         // 3.5 检测到订单支付完成
         uni.showToast({
           title: '支付完成！',
           icon: 'success'
         })
      
    },
    showTips(n) {
      uni.showToast({
        icon:'none',
        title: '请先登录，'+ n +'秒后自动跳转至登录页面',
        mask: true,
        duration: 1500
      })
    },
    delayNavigate() {
      this.seconds = 3
      this.showTips(this.seconds)
      
     this.timer =  setInterval(() => {
        this.seconds--
        
        if (this.seconds <= 0) {
          clearInterval(this.timer)
          uni.switchTab({
            url:'/pages/my/my',
            success: () => {
              this.updataRedirectInfo({
                openType: 'switchTab',
                from: '/pages/cart/cart'
              })
            }
          })
          return
        }
        
        this.showTips(this.seconds)
      }, 1000)
    }
    }
  }
</script>

<style lang="scss">
.my-settle-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;
  .radio {
    display: flex;
    align-items: center;
  }
  .amount-box {
    .amount {
      color: #C00000;
      font-weight: bold;
    }
  }
  .settle {
    background-color: #C00000;
    height: 50px;
    min-width: 100px;
    color: white;
    line-height: 50px;
    text-align: center;
  }
}

</style>
